ball field
noun
\ ˈbȯl-ˌfēld
\
\
variants:
or ballfield
Definition of ball field
: a field for playing a sport using a ball
especially
: a baseball field
The 14-year-old Astroturf surface at Dean Field in Bloomfield, one of the city's most popular ball fields, will be replaced with real grass next year. — Jon Schmitz In Minneapolis, they tore down Met Stadium for a polyester ballfield with a roof over it, a ghostly greenish plastic baseball mall, and all those lovely summer nights were lost. — Garrison Keillor